Method for activating double metal cyanide catalysts for the production of polyether carbonate polyols
US-9309356-B2 · Apr 12, 2016 · US
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Leitner Walter patents
Leitner Walter holds 6 patents in our database, with recent filings and technology areas summarized below.
| Metric | Value |
|---|---|
| Total patents | 6 |
| Recent patents | 0 |
| First publication | Mar 24, 2015 |
| Latest publication | Apr 12, 2016 |
Filing trend
Year-over-year patent counts for this assignee.
Recent patents
Latest publications where this party is an assignee.
Method for producing polycarbonate polyols by the immortal polymerization of cyclic carbonates
US-9260562-B2 · Feb 16, 2016 · US
Method for activating double metal cyanide catalysts for producing polyether polyols
US-9249259-B2 · Feb 2, 2016 · US
Multi-amine functional oligomers and method for producing the same by the reduction of corresponding oximes
US-9200113-B2 · Dec 1, 2015 · US
Method for producing polyether polyols
US-9120894-B2 · Sep 1, 2015 · US
Notable patents
Representative or frequently cited publications from precomputed assignee stats.
Method for activating double metal cyanide catalysts for the production of polyether carbonate polyols
US-9309356-B2 · Apr 12, 2016 · US
Method for producing polycarbonate polyols by the immortal polymerization of cyclic carbonates
US-9260562-B2 · Feb 16, 2016 · US
Method for activating double metal cyanide catalysts for producing polyether polyols
US-9249259-B2 · Feb 2, 2016 · US
Multi-amine functional oligomers and method for producing the same by the reduction of corresponding oximes
US-9200113-B2 · Dec 1, 2015 · US
Method for producing polyether polyols
US-9120894-B2 · Sep 1, 2015 · US
Top CPC classifications
Most common classification codes in this portfolio.
| CPC | Patents |
|---|---|
| C08G64/34 | 4 |
| C08G65/2603 | 3 |
| C08G65/2663 | 3 |
| C08G64/323 | 2 |
| C08G61/04 | 1 |
Technology areas
Mapped technology topics for this assignee.
| Technology | Patents |
|---|---|
| Chemistry & Metallurgy | 6 |